Home / 55,285.49-76,294.22-31,413.44

Finding the Fourth Proportional to 55,285.49, 76,294.22 and 31,413.44

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Solution

The fourth proportional to 55,285.49, 76,294.22 and 31,413.44 is: 43,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,285.49 : 76,294.22 = 31,413.44 : x
  2. Step 2: Convert to fraction form
    55,285.49/76,294.22 = 31,413.44/x
  3. Step 3: Cross multiply
    55,285.49x = 76,294.22 × 31,413.44
  4. Step 4: Simplify right side
    55,285.49x = 2,396,663,363.78
  5. Step 5: Solve for x
    x = 2,396,663,363.78/55,285.49
  6. Step 6: Final answer
    x = 43,350.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.